Package de.ipk_gatersleben.ag_nw.graffiti.plugins.ios.importers.xgmml

Class XGMMLContentHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

de.ipk_gatersleben.ag_nw.graffiti.plugins.ios.importers.xgmml.XGMMLHandler

de.ipk_gatersleben.ag_nw.graffiti.plugins.ios.importers.xgmml.XGMMLContentHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class XGMMLContentHandler
extends XGMMLHandler

Custom XGMMLHandler for parsing an XGMML input source using SAX2.

Version:

$Revision$

Author:

Burkhard Sell

Constructor Summary

Constructors

Constructor	Description
XGMMLContentHandler()	Constructs a new handler instance.

Method Summary

Modifier and Type	Method	Description
void	endEdgeElement()	Dynamically invoked by delegator handler.
void	endNodeElement()	Dynamically invoked by delegator handler.
String	getEdgeElementName()
String	getNodeElementName()
void	instantiateEdge()	Instantiates a new edge and add it to teh graph.
void	instantiateGraph()	Instantiates a new graph.
void	instantiateNode()	Instantiates a new node and add it to teh graph.
void	processEdgeAttElement(Attributes attribs)	Not yet implemented
void	processGraphicsAttElement(Attributes attribs)	Not yet implemented
void	processNodeAttElement(Attributes attribs)	Dynamically invoked by delegator handler.
void	startAttElement(Attributes attribs)	Dynamically invoked by delegator handler.
void	startCenterElement(Attributes attribs)	Dynamically invoked by delegator handler.
void	startEdgeElement(Attributes attribs)	Dynamically invoked by delegator handler.
void	startGraphElement(Attributes attribs)	Dynamically invoked by delegator handler.
void	startGraphicsElement(Attributes attribs)	Dynamically invoked by delegator handler.
void	startLineElement(Attributes attribs)
void	startNodeElement(Attributes attribs)	Dynamically invoked by delegator handler.
void	startPointElement(Attributes attribs)

Methods inherited from class de.ipk_gatersleben.ag_nw.graffiti.plugins.ios.importers.xgmml.XGMMLHandler

endElement, getGraph, startDocument, startElement

Methods inherited from class org.xml.sax.helpers.DefaultHandler

characters, endDocument, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.xml.sax.ContentHandler

declaration

Constructor Details

XGMMLContentHandler

public XGMMLContentHandler()

Constructs a new handler instance.

Method Details

instantiateGraph

public void instantiateGraph()
                      throws Exception

Instantiates a new graph. Currently only one graph per file is supported

Specified by:

instantiateGraph in class XGMMLHandler

Throws:

Exception - if the graph could not be created.

instantiateNode

public void instantiateNode()
                     throws Exception

Instantiates a new node and add it to teh graph.

Specified by:

instantiateNode in class XGMMLHandler

Throws:

Exception - if the node could not be created.

startGraphElement

public void startGraphElement(Attributes attribs)

Dynamically invoked by delegator handler.

startAttElement

public void startAttElement(Attributes attribs)

Dynamically invoked by delegator handler.

startNodeElement

public void startNodeElement(Attributes attribs)

Dynamically invoked by delegator handler.

endNodeElement

public void endNodeElement()
                    throws Exception

Dynamically invoked by delegator handler.

Throws:

Exception

startEdgeElement

public void startEdgeElement(Attributes attribs)

Dynamically invoked by delegator handler.

endEdgeElement

public void endEdgeElement()
                    throws Exception

Dynamically invoked by delegator handler.

Throws:

Exception

startGraphicsElement

public void startGraphicsElement(Attributes attribs)
                          throws Exception

Dynamically invoked by delegator handler.

Throws:

Exception

startCenterElement

public void startCenterElement(Attributes attribs)
                        throws Exception

Dynamically invoked by delegator handler.

Throws:

Exception

startLineElement

public void startLineElement(Attributes attribs)
                      throws Exception

Throws:

Exception

startPointElement

public void startPointElement(Attributes attribs)
                       throws Exception

Throws:

Exception

instantiateEdge

public void instantiateEdge()
                     throws Exception

Instantiates a new edge and add it to teh graph.

Specified by:

instantiateEdge in class XGMMLHandler

Throws:

Exception - if the node could not be created.

processNodeAttElement

public void processNodeAttElement(Attributes attribs)

Dynamically invoked by delegator handler.

processEdgeAttElement

public void processEdgeAttElement(Attributes attribs)

Not yet implemented

Parameters:

attribs -

processGraphicsAttElement

public void processGraphicsAttElement(Attributes attribs)

Not yet implemented

Parameters:

attribs -

getNodeElementName

public String getNodeElementName()

Specified by:

getNodeElementName in class XGMMLHandler

Returns:

XGMMLConstants.NODE_ELEMENT_LITERAL

getEdgeElementName

public String getEdgeElementName()

Specified by:

getEdgeElementName in class XGMMLHandler

Returns:

XGMMLConstants.EDGE_ELEMENT_LITERAL